$ Value
$174K
Shares
4,355
Price
$40
Filed
Mar 12
Insider
Name
TZIANABOS ARTHUR
Title
Interim Executive Chair
CIK
0001586226
Roles
Transaction Details
Transaction Date
2026-03-10
Code
S
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
31,339
Footnotes
The transaction reported on this Form 4 was executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2025. | The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.00 to $40.095 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. | Effective October 6, 2025, this option became fully vested and exercisable.
Filing Info
TZIANABOS ARTHUR's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-03-10 | STOK | M | $33K |
| 2026-03-10 | STOK | ▼ | $174K |
| 2026-03-10 | STOK | M | $0 |
| 2025-10-23 | QTTB | A | $0 |
Other Insiders at STOK (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| LEVIN ARTHUR A | — | $22K | 2026-03-13 |
|
SMITH IAN F
Chief Executive Officer
|
— | — | 2026-02-17 |
| Kaye Edward M. MD | — | — | 2026-03-15 |
|
TZIANABOS ARTHUR
Interim Executive Chair
|
— | — | 2026-03-10 |
|
Hoitt Jason
Chief Patient Officer
|
— | $119K | 2026-03-18 |
|
Leggett Thomas
Chief Financial Officer
|
— | $147K | 2026-03-18 |
| Krainer Adrian R. | — | $1.6M | 2026-03-10 |
|
Ticho Barry
CHIEF MEDICAL OFFICER
|
— | $517K | 2026-04-01 |
| Kahn Clare | — | — | 2026-04-03 |
|
Allan Jonathan
GENERAL COUNSEL & CORP SEC
|
— | $599K | 2026-03-20 |